Bobbin-bearing.



' Patented 111151111918.

BOBBIN BEARING.

APPLICATION FILED MAR. l. 19|8.

w. cAnGAL a' w. TANKERSLEY.

2% wywl @Mjwmzqy upper bobbin UNITED STATES PATENT oEEIcE.

WILLIAM B. CABGAL AND WINSTON TANKERSLEY, 0F DALTON, GEORGIA.

Bonnin-BEARING.

Specication of Lettersvratent.

Patented May 14, 1918-.

application med Haren 1, 191s. serial 110.219,903.

will enable others skilled in the art to which` it appertains to makeand use the same.

Our invention aims to provide a sim le and inexpensive, yet a highlyelcient, urable and easy running bearing for the bobbins of spinningframes and analogous machines, the device being so constructed as toform a mounting for the lower end of'an and the upper end of a' lowerbobbin.y

With the foregoing general object in view, the invention resides 1n thenovel features of construction to be hereinafter fully described andclaimed, the descriptive matter being supplemented by the accompanyingdrawing which forms a part of this specification and in which:

Figure. 1 is a side elevation of the invention applied, the bobbin beingin operative position;

Fig. 2 is' a vertical longitudinal section through theparts seen in Fig.1; and

Fi 3 is a side elevation partly in section 'showlng the manner in whichthe bobbin is removed.

In the drawing above briefiy described,

the numeral '1 designatesa cylindrical head of uniform size throughout,the lower end 2 and 3 are turned from a single length off metal and thelower end portion f the neck y 3i is externally threaded for receptionin a nut 5 which coacts with the head 1 in clamping the device in place,`after said neck'has been passed` lthrough an opening in the frame 6.

The upper end of the heard 1 is recessed to -form a circular socket 7havinga ball race 8 at its bottom, and said head and the neck 2 areformed with a central vertical bore 9 whose lower end is closed, whileits upper end opens into the socket. .A cylindrical plug 10 above thehead 1 is adapted for reception in the lower end of the bobbin as shownclearly in Fig. 2, said plug having ay bobbin supporting ange 11, adepending guard flange 12 surrounding the upper end of the head 1, andan integral central cone 13 received in the socket 7 and resting on ballbearings 14 which arereceived in the race 8.

The pointed lower end of the cone l13 is provided with an integralspindle 15 whose lower end is pointed at 16 and rests upon the closedlower end of the bore 9. ABetween its ends, the spindle 15 -is providedwith an annular groove 17 and the inner end of a screw4 18 is receivedin said oove to prevent removal of the spindle gom the bore, said screwbeing threaded through the neck 2 as seen in Fig. 2.

On spinning frames and'similar machines, three vertically spaced seriesof bobbins are usually provided, and the present invention is adaptedfor use between the upper and -lower series and the central series, thecones the upper series of bobbins stems such as 3 and cones 4 areprovided without the additional features of the bearing, while for thelower end of the lower series of bobbins, all features of the device areused except the stems and Acones in question. The device is obviously of#simple and inexpensive nature, yet it pro'- 7 vides an eiiicientanti-friction bearing for the-bobbins and permits quick applicationY andremoval of the Llatter as occasion may demand. Since probably the bestresults are obtained from the'exact features shown and described, thesefeatures are preferably employed, but within the scope of the inventionas claimed, numerous mmor changes may well be made.'

We claim: y A bobbin bearing comprising a cylindricalmetal head havin acylindrical centralneck formed integra y with its lower end, Vthe lowerend of said neck having formed integrally therewith a central verticalbearing stem, the upper end of said head having a circular socket formedat yits bottom wit a ball race, said head and neck having a eentral boreclosed at its lower end and o ening at its upper end into said socket,bal bear-- ings in said race, a metal plug for reception in vthe bobbin,a cone integral with said plug and received in seid y:sockel: on saidball bear'- ings, a spindle integral with said cone and received in saidbore said spindle having a pointed lower end resting on the closed and anut thfeaded on said stemy for eoecnion with seid head in seeming thedevice in place, l v

l In testimony whereofwe have hereunto set our hands in the presence oftwo subl5 soribing Witnesses.

'WILLIAM B. CARGAL; WINSTON TANKERSLEY.

Witnesses:

E K. MCCUTCHEN, 5.1%. HIGHTOWER.

